package com.atguigu.gulimall.order.web;

import com.atguigu.common.exeception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;
@Slf4j
@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo=orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
        return "confirm";
    }
    //下单功能
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        //创建订单，验证令牌、验价格、锁库存。。。
        //下单成功来到支付选择项
        //下单失败回到订单确认页，确认订单信息
        try {
            log.info("OrderWebController.submitOrder开始下单");
            SubmitOrderResponseVo responseVo=orderService.submitOrder(vo);
            if (responseVo.getCode()==0){
                model.addAttribute("submitOrderResp",responseVo);
                return "pay";
            }else {
                String msg="下单失败:";
                switch (responseVo.getCode()){
                    case 1: msg+="订单信息过期，请刷新再次提交";break;
                    case 2: msg+="订单商品价格发生变化，请确认后再次提交";break;
                    case 3: msg+="库存锁定失败，商品库存不足";break;
                }
            }
        }catch (NoStockException e){
            String msg="下单失败:库存锁定失败，商品库存不足";
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }catch (Exception e){
            return "redirect:http://order.gulimall.com/toTrade";
        }
        return "redirect:http://order.gulimall.com/toTrade";
    }
}

